Loading
Please wait

Summary

Haruki and Kotoko become lovers on a fateful afternoon in a shinto shrine dyed by the glow of the evening sun. All is going well until the announcement of their parents' marriage. The father of Haruki would marry the mother of Kotoko making them stepsister and stepbrother in an instant. Now they are going to live together not as lovers but as siblings. What will happen to their relationship...

Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
Natsu Doki! Harem ~Shinsekitaku de no Nayameru Juken Benkyou~
NAN%
Tags
  • Cousin Incest
  • Sister/Sister Incest
  • Aunt/Nephew Incest
  • Blood-related Sister/Sister Incest
  • Protagonist's Cousin as a Heroine
Rating 7.1543 Users
Cla☆Cra - CLASSY☆CRANBERRY
Cla☆Cra - CLASSY☆CRANBERRY'S
NAN%
Tags
  • Poor Heroine
  • Charming Protagonist
  • Popular Protagonist
  • School Festival
  • Wealthy Protagonist
Rating 7.40169 Users
Oppai Igai ga Dame Sugiru Ane
Oppai Igai ga Dame Sugiru Ane
NAN%
Tags
  • Family Life Comedy
  • Non-twin Heroine Sisters
  • Oneesan-type Heroine
  • Alcoholism
  • Only Protagonist's Sisters as Heroine(s)
Rating 7.1954 Users
Danchi Wife ~Hitozuma Nude Model no Kenshin~
Danchi Wife ~Hitozuma Nude Model no Kenshin~
NAN%
Tags
  • Painter Protagonist
  • Heroine in Relationship with Other(s)
  • Widow Heroine
  • Harem Ending
  • Threesome Ending
Rating 7.0228 Users
Gachi Otome Quintet
Gachi Otome Quintet
NAN%
Tags
  • Cupid Heroine
  • Fictional Island Near Futuristic Japan
  • European Heroine
  • Island
  • Yamato Nadeshiko Heroine
Rating 7.4627 Users
Midara ni Aegu Nananin no Yobai Suru Harame
Midara ni Aegu Nananin no Yobai Suru Harame
NAN%
Tags
  • Group (4+) Boobjob
  • Countryside
  • Widow Heroine
  • Nurse Heroine
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 7.2243 Users
Akogare no Okaa-san
Akogare no Okaa-san
NAN%
Tags
  • Non-blood-related Mother/Son Incest
  • Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Early Branching Plot
  • Protagonist's Non-blood-related Mother as a Heroine
Rating 6.5337 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
NAN%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
NAN%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5821 Users
Ane wa Kanojo de Senzoku Maid
Ane wa Kanojo de Senzoku Maid
NAN%
Tags
  • Homemaker Protagonist
  • Stockings
  • Wedding
  • Condoms
  • Oneesan-type Heroine
Rating 6.4039 Users
Nanpa Nama Hame Nakadashi Banzai 5
Nanpa Nama Hame Nakadashi Banzai 5
NAN%
Tags
  • Nanpa
  • Playboy Protagonist
  • Beach
  • Sex on a Beach
  • Long Sexual Scenes
Rating 6.4139 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
NAN%
Tags
  • Oyakodon Ending
  • Heroine with Ahoge
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Incest
Rating 6.9136 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
NAN%
Tags
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Romancing a Family
  • Oneesan-type Heroine
Rating 7.1137 Users
Splash!
Splash!
NAN%
Tags
  • Swimming Club
  • Heroine with Swimsuits
  • Heroine with Intake Hairstyle
  • Teacher Protagonist
  • Bonus Side Stories
Rating 6.2921 Users
Aki no Urara no ~Akaneiro Shoutengai~
Aki no Urara no ~Akaneiro Shoutengai~
NAN%
Tags
  • Autumn
  • Mangaka Heroine
  • Protagonist's Non-blood-related Sister as a Heroine
  • Blood-related Sister/Sister Incest
  • Non-blood-related Brother/Sister Incest
Rating 7.1530 Users
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
NAN%
Tags
  • Reverse Netorase
  • Lazy Heroine
  • Inventor Heroine
  • Wedding
  • European Heroine
Rating 6.9040 Users
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
Onii-chan!! Shasei no Kanri wa Imouto ni Makasete!!
NAN%
Tags
  • Full Chastity Belt
  • Quadruple+ Blowjob
  • Clothed Female Naked Male
  • Protagonist's Sister as a Heroine
  • Cosplay
Rating 6.9630 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
NAN%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
Ojou-sama wa Katai no ga Osuki! ~Shinsei Naru Joshi Ryou Nikki~
NAN%
Tags
  • Cook Protagonist
  • Gymnastic Heroine
  • Hotblooded Protagonist
  • Impregnation Choice
  • Artist Heroine
Rating 6.9541 Users
Ochiteiku Wakazuma Maiko
Ochiteiku Wakazuma Maiko
NAN%
Tags
  • Sexual Slavery (Non-consensual)
  • Rape with Blackmail
  • Chikan
  • Protagonist in Relationship
  • NVL
Rating 6.4523 Users
Koakuma Hatsuiku Chu~!
Koakuma Hatsuiku Chu~!
NAN%
Tags
  • Loli Support Character
  • Onahole
  • Sadist Heroine
  • Shimaidon Ending
  • Pantyjob
Rating 7.1247 Users
Ane ni Kono Natsu
Ane ni Kono Natsu
NAN%
Tags
  • Brother/Sister Incest
  • Heroine with Kimono
  • Oneesan-type Heroine
  • Heroine with Swimsuits
  • University Student Heroine
Rating 6.7656 Users
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
Hitozuma♪ Kasumi-san 2 ~Oku-sama - Miboujin Owner to Kyoudou Seikatsu~
NAN%
Tags
  • Only Adult Heroines
  • Vaginal Gaping
  • Widow Heroine
  • Stockings
  • Sexual Cosplay
Rating 7.1720 Users
Tokonatsu Shimai Sand
Tokonatsu Shimai Sand
NAN%
Tags
  • Stranded
  • Protagonist's Full Sister as a Heroine
  • Only Protagonist's Sisters as Heroine(s)
  • Androphobic Heroine
  • Protagonist's Twin as a Heroine
Rating 6.8346 Users
Harahara Shichau!! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Amahara Izumo Hen-
Harahara Shichau!! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Amahara Izumo Hen-
48%
Tags
  • Reverse Rape
  • Protagonist's Full Sister as a Heroine
  • Rape with Blackmail
  • Blood-related Brother/Sister Incest
  • Only Blood-related Heroines
Rating 6.2661 Users
Hatsujou Season
Hatsujou Season
33%
Tags
  • Werewolf Heroine
  • Albino Heroine
  • Skip Scenes
  • Transfer Student Heroine
  • Half-Japanese Heroine
Rating 6.6326 Users
Splash!
Splash!
30%
Tags
  • Swimming Club
  • Heroine with Swimsuits
  • Heroine with Intake Hairstyle
  • Teacher Protagonist
  • Bonus Side Stories
Rating 6.2921 Users
Aneimo Neo ~Second Sisters~
Aneimo Neo ~Second Sisters~
29%
Tags
  • Protagonist's Aunt as a Heroine
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Romancing a Family
  • Oneesan-type Heroine
Rating 7.1137 Users
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
Trouble Home! ~Giri no Haha to Imouto wa Koigataki~
27%
Tags
  • Oyakodon Ending
  • Heroine with Ahoge
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Incest
Rating 6.9136 Users
Ane wa Kanojo de Senzoku Maid
Ane wa Kanojo de Senzoku Maid
26%
Tags
  • Homemaker Protagonist
  • Stockings
  • Wedding
  • Condoms
  • Oneesan-type Heroine
Rating 6.4039 Users
Nanpa Nama Hame Nakadashi Banzai 5
Nanpa Nama Hame Nakadashi Banzai 5
25%
Tags
  • Nanpa
  • Playboy Protagonist
  • Beach
  • Sex on a Beach
  • Long Sexual Scenes
Rating 6.4139 Users
Classmate no Okaa-san -Immoral Teacher-
Classmate no Okaa-san -Immoral Teacher-
25%
Tags
  • Masturbation with Object
  • Widow Heroine
  • Sexual Fantasizing
  • Heroine with Tights
  • Naked Heroine with Apron
Rating 6.8223 Users
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren
Keiyaku Kanojo ~Shinmai Kanojo to Hajimeru, Tottemo H de Pure na Ren'ai Lesson~
25%
Tags
  • Sudden Girlfriend Appearance
  • Perverted Friend
  • Protagonist's Girlfriend as a Heroine
  • Time Travel
  • Super Deformed CG's
Rating 6.5821 Users
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
Love Love Sisters ~Hanayome & Shimai-tachi to no Doki Doki Harem Seikatsu~
25%
Tags
  • Reverse Netorase
  • Lazy Heroine
  • Inventor Heroine
  • Wedding
  • European Heroine
Rating 6.9040 Users
Sister x Sister ~Lovevery Sisters~
Sister x Sister ~Lovevery Sisters~
24%
Tags
  • Comedic Love Triangle
  • Shimaidon Ending
  • Sex in a School Infirmary
  • Heroine with Multiple Personalities
  • Pretending Heroine
Rating 7.1040 Users
Ochiteiku Wakazuma Maiko
Ochiteiku Wakazuma Maiko
24%
Tags
  • Sexual Slavery (Non-consensual)
  • Rape with Blackmail
  • Chikan
  • Protagonist in Relationship
  • NVL
Rating 6.4523 Users
Ane ni Kono Natsu
Ane ni Kono Natsu
24%
Tags
  • Brother/Sister Incest
  • Heroine with Kimono
  • Oneesan-type Heroine
  • Heroine with Swimsuits
  • University Student Heroine
Rating 6.7656 Users
Tokonatsu Shimai Sand
Tokonatsu Shimai Sand
24%
Tags
  • Stranded
  • Protagonist's Full Sister as a Heroine
  • Only Protagonist's Sisters as Heroine(s)
  • Androphobic Heroine
  • Protagonist's Twin as a Heroine
Rating 6.8346 Users
Aimai Ren
Aimai Ren'ai
24%
Tags
  • Non-twin Heroine Sisters
  • Twin Buttjob
  • Mentor Support Character
  • Orphan Heroine
  • Okama Support Character
Rating 6.8454 Users
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
Shiro Koki Kuro Koki ~Kuro Tights ni Semerareru ga Sore Gurai de wa Shiro Knee Socks o Akiramenai Ore~
24%
Tags
  • Foreskin Play
  • Twin Footjob
  • Kneepit Sex
  • Pantyjob
  • Censored Text
Rating 6.4327 Users
Nami no Mani Mani ~Sazanami Shinryoujo~
Nami no Mani Mani ~Sazanami Shinryoujo~
24%
Tags
  • Barmaid Heroine
  • Medical Doctor Protagonist
  • Island
  • Sickly Heroine
  • Hetare Protagonist
Rating 7.4028 Users
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
Amai Seikatsu -Saikou no Gibo to Saikou no Gishimai-
24%
Tags
  • Non-blood-related Incest
  • Non-blood-related Mother/Son Incest
  • Protagonist's Non-blood-related Mother as a Heroine
  • Non-blood-related Brother/Sister Incest
  • Protagonist's Non-blood-related Sister as a Heroine
Rating 7.3330 Users
Virgin Wife, Hisoyaka na Kaitsuu ~Anata, Otou-san ni Shitsukerarete Shimatta no...~
Virgin Wife, Hisoyaka na Kaitsuu ~Anata, Otou-san ni Shitsukerarete Shimatta no...~
24%
Tags
  • Protagonist's Non-blood-related Daughter as a Heroine
  • Non-blood-related Incest
  • In-law Incest
  • Non-blood-related Father/Daughter Incest
  • Correct Choice Indicator
Rating 6.0325 Users
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
Onee-chan Eroero Chuuihou ~Aieki no Daikouzui~
23%
Tags
  • Oneesan-type Heroine
  • Twin Boobjob
  • Harem Ending
  • Brocon Heroine
  • Blood-related Brother/Sister Incest
Rating 6.5522 Users
Maid to no Amai Seikatsu
Maid to no Amai Seikatsu
23%
Tags
  • Blood-related Aunt/Nephew Incest
  • Protagonist's Aunt as a Heroine
  • Only Older Heroines
  • Shota Protagonist
  • Straight Shotacon
Rating 5.9722 Users
Kiss + 100 Kiss Tokku, Shidou Seri
Kiss + 100 Kiss Tokku, Shidou Seri
23%
Tags
  • Consensual Group Sex of One Female and Several Males
  • Completely Avoidable Netorare
  • Fictional Modern Day Japanese Countryside
  • Netorare Type A
  • Twin Handjob
Rating 6.5027 Users
Itazura ~Boku Dake no Zettai Ryouiki~
Itazura ~Boku Dake no Zettai Ryouiki~
23%
Tags
  • Chikan Heroine
  • Hotel
  • Trains
  • Voiced Thoughts
  • Pregnancy Good Ending
Rating 6.1720 Users
Tropical Vacation
Tropical Vacation
23%
Tags
  • Resort
  • Childishly Violent Heroine
  • Otaku Friend
  • Voice Only Parts
  • Martial Artist Heroine
Rating 6.7930 Users

Harahara Shichau! ~Oya ni wa Naisho no Kozukuri Seikatsu~ -Asagiri Shimai Hen- has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.

Tags (36 total)

NameScoreImportanceWeight
Heroine with Erotic Adhesive Bandage2.003.056.09
Deredere Heroine3.001.614.84
Heroine with Leotard2.002.394.78
Heroine with Sport Bloomers2.002.094.17
Impregnation3.001.374.12
Footjob2.001.893.78
Heroine with Kimono2.001.883.76
Oneesan-type Heroine2.001.833.66
Classic Tsundere Heroine2.001.713.43
Protagonist's Senpai as a Heroine2.001.693.38
Heroine with Swimsuits2.001.643.29
Pregnancy2.001.523.05
High School Student Protagonist2.501.203.01
Masturbation2.001.492.98
Big Breast Sizes Heroine2.001.312.62
Sounds of Copulation2.001.292.58
Twin Tail Heroine2.001.172.35
Comedy2.001.102.21
Relationship Problems1.002.122.12
Naked Sprites2.001.052.10
Student Heroine2.000.991.99
Nympho Heroine1.001.821.82
Wake-up Sex1.001.811.81
Romance2.000.901.79
High School Student Heroine2.000.851.69
Heroine with Big Breasts2.000.841.68
Doggy Style2.000.801.61
Defloration2.000.761.52
Anal Penetration1.001.321.32
Nukige2.000.651.30
Twin Blowjob1.001.291.29
Only Virgin Heroines1.001.081.08
Group Sex of One Male and Several Females1.000.920.92
Male Protagonist3.000.300.90
ADV2.000.140.29
2.000.000.00

Traits (64 total)

NameCharactersImportanceWeight
Non-blood-related Incest Engages in (Sexual)32.152.98
Sports Swimsuit Clothes22.492.73
Non-blood-related Sister Role22.172.38
School Drama Club President Role13.432.38
Kimono Minidress Clothes13.172.20
Full Sister Role31.562.17
Kneepit Sex Engages in (Sexual)12.811.95
Bunny Dress Clothes12.461.71
Leotard Clothes12.391.66
Non-blood-related Brother Role12.381.65
Seventh Posture Subject of (Sexual)21.461.61
Twin Blowjob Engages in (Sexual)21.451.59
Younger Sister Role21.441.59
Blackmail Engages in12.221.54
Twelfth Grader Role12.071.43
Brother Complex Personality12.061.43
Yamato Nadeshiko Role12.001.38
Ribbon Tie Clothes21.251.38
Assertive Personality11.941.34
Group Sex of One Male and Several Females Engages in (Sexual)21.171.29
Pink Rotor Subject of (Sexual)11.841.27
Big Breasts Body21.131.24
Pajamas Clothes11.751.21
Reverse Missionary Subject of (Sexual)11.741.20
Footjob Engages in (Sexual)11.721.19
Sport Bloomers Clothes11.721.19
High School Student Role30.851.18
Virgin Sex Engages in (Sexual)30.851.18
Sitting Sex Subject of (Sexual)21.061.17
Small Breasts Body11.661.15
Popular Role11.641.13
Sex in Classroom Engages in (Sexual)11.611.11
Refined Personality11.541.07
School Uniform Clothes30.751.05
Incest Engages in (Sexual)11.471.02
Doggy Style Subject of (Sexual)20.921.02
Hairpin Clothes11.400.97
Bathroom Sex Engages in (Sexual)11.390.96
Tsurime Eyes11.380.96
Female Ejaculation Engages in (Sexual)11.360.94
Tominagi Subject of (Sexual)11.360.94
T-shirt Clothes11.310.91
Waist Length+ Hair20.810.89
Teen Body30.620.86
Ribbon Hair Tie Clothes11.190.83
Anal Sex Subject of (Sexual)11.190.82
Cunnilingus Subject of (Sexual)11.160.81
Handjob Engages in (Sexual)11.160.80
Outdoor Sex Engages in (Sexual)11.160.80
Twin Tails Hair11.130.78
Missionary Subject of (Sexual)11.120.77
Brown Hair20.680.75
Vaginal Fingering Subject of (Sexual)11.080.75
Boobjob Engages in (Sexual)11.070.74
Miniskirt Clothes11.060.74
Violet Eyes11.050.72
Amber Eyes11.030.71
Straight Hair10.940.65
Brown Eyes10.900.63
Black Hair10.800.56
Long Hair10.750.52
Pale Body30.370.51
Slim Body10.580.40
10.000.00